package com.liu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue, Integer> {

    private Set<Integer> set = new HashSet<Integer>();

    /**
     *
     * @param integer    要校验的值
     * @param constraintValidatorContext    校验环境的上下文
     * @return
     */
    @Override
    public boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(integer);
    }


    /**
     *
     * @param constraintAnnotation
     */
    @Override
    public void initialize(ListValue constraintAnnotation) {

        int[] vals = constraintAnnotation.vals();
        for (int i: vals){
            set.add(i);
        }

    }
}
